E-Learning Course Real-Time Operating System RTOS: Overview
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What Are Real-Time Operating Systems?
Real-time operating systems (RTOSs) are operating systems that meet real-time requirements. That means if there is a request of an application program or an incoming signal over a hardware interface, it needs to be processed by the operating system during a fixed time period that was defined in advance. There are soft real-time requirements and hard real-time requirements, where hard real-time requirements are much stricter.
Why Are Real-Time Operating Systems Needed?
Real-time operating systems are used to operate real-time systems. Real-time systems are necessary when the system is taking measurements or controlling the outside world because a delay in these actions would lead to a failure of the system or significant errors. They are important in the automotive industry and the field of automation for example.
How Are Real-Time Operating Systems Related to Embedded Systems?
Embedded RTOSs are used to operate embedded real-time systems such as cars or industrial robots. Most of the time, embedded systems are real-time systems because they are measuring and controlling.
What Can You Learn About Real-Time Operating Systems in the Embedded Academy E-Learning?
You will learn when real-time operating systems are needed and which requirements they have. In particular, we cover the difference between soft real-time requirements and hard real-time requirements. You will also encounter the term “timing analysis” and learn about the difference between time-based tasks and event-based tasks. At the end you will be familiarized with three scheduling algorithms, before we cover three typical problems: task starvation, deadlock and race conditions.
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